In the Millennium, God will call all nations of the world to Jerusalem to be taught by God, to receive His Holy Spirit to know Him and His way of life.

Water has great metaphorical significance on the Last Great Day of the Feast, symbolizing God's Holy Spirit given without measure.

Some words are inadequate to describe the magnitude of certain things. Why is the 'Last Great Day' called great?

If we neglect our cultivation of spiritual fruit during the year, the harvest will reflect that. The fruit of one's labors will be evident at harvest time.